Natural Selection

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Across
  1. 5. Mechanism for adaption
  2. 7. Variations in genetics
  3. 8. Different characteristics
Down
  1. 1. When a species produces a lot of young
  2. 2. Variations due to parents
  3. 3. When a species no longer exists
  4. 4. Evidence of evolution
  5. 6. Change over time